[ puhls ]
/ pʌls /
the regular throbbing of the arteries, caused by the successive contractions of the heart, especially as may be felt at an artery, as at the wrist.
a single pulsation, or beat or throb, of the arteries or heart.
the rhythmic recurrence of strokes, vibrations, or undulations.
a single stroke, vibration, or undulation.
Electricity. a momentary, sudden fluctuation in an electrical quantity, as in voltage or current.
Physics. a single, abrupt emission of particles or radiation.
a throb of life, emotion, etc.
the general attitude, sentiment, preference, etc., as of the public.
verb (used without object), pulsed, puls·ing.
to beat or throb; pulsate.
to beat, vibrate, or undulate.
Physics. to emit particles or radiation periodically in short bursts.
verb (used with object), pulsed, puls·ing.
to cause to pulse.
Medicine/Medical. to administer (medication) in interrupted, often concentrated dosages to avoid unwanted side effects.
Origin of pulse1
1300–50; < Latin pulsus a beat, equivalent to *peld-, base of pellere to set in motion by beating or striking (cf. impel) + -tus, suffix of v. action, with dt < s and backing and raising of e before velar l; replacing Middle English pous < Middle French < Latin, as above
Related formsun·puls·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for unpulsing (1 of 2)
/ (pʌls) /
- the rhythmic contraction and expansion of an artery at each beat of the heart, often discernible to the touch at points such as the wrists
- a single pulsation of the heart or arteries
- a transient sharp change in voltage, current, or some other quantity normally constant in a system
- one of a series of such transient disturbances, usually recurring at regular intervals and having a characteristic geometric shape
- (as modifier)a pulse generator Less common name: impulse
- a recurrent rhythmic series of beats, waves, vibrations, etc
- any single beat, wave, etc, in such a series
bustle, vitality, or excitementthe pulse of a city
the feelings or thoughts of a group or society as they can be measuredthe pulse of the voters
keep one's finger on the pulse to be well-informed about current events
(intr) to beat, throb, or vibrate
(tr) to provide an electronic pulse to operate (a slide projector)
Derived Formspulseless, adjective
Word Origin for pulse
C14 pous, from Latin pulsus a beating, from pellere to beat
British Dictionary definitions for unpulsing (2 of 2)
/ (pʌls) /
the edible seeds of any of several leguminous plants, such as peas, beans, and lentils
the plant producing any of these seeds
Word Origin for pulse
C13 pols, from Old French, from Latin puls pottage of pulse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for unpulsing
[ pŭls ]
The rhythmical dilation of arteries produced when blood is pumped outward by regular contractions of the heart, especially as palpated at the wrist or in the neck.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for unpulsing
[ pŭls ]
The rhythmic expansion and contraction of the arteries as blood is pumped through them by the heart. The pulse can be felt at several parts of the body, as over the carotid and radial arteries.
A dose of a medication or other substance given over a short period of time, usually repetitively.
- A brief sudden change in a normally constant quantity, such as an electric current or field.
- Any of a series of intermittent occurrences characterized by a brief sudden change in a quantity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Idioms and Phrases with unpulsing
see take the pulse of.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.